/**
	This file is part of Fighting Field.

	Fighting Field is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	Fighting Field is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with Fighting Field.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef FF_STATE_H
#define FF_STATE_H

#include "Prerequisites.h"

namespace FF
{
	struct StateParam;
	class StateMachine;
}

namespace FF
{
	class State
	{
	public:
		State(StateMachine* parent);
		virtual ~State();

	public:
		virtual bool Init(const StateParam& param);
		virtual bool Release(const StateParam& param);

		virtual bool Enter(State* from, const StateParam& param);
		virtual bool Exit(State* to, const StateParam& param);

		virtual bool Step(const Ogre::Real& dt);
		virtual bool Update(const Ogre::Real& dt);

		template<class T>
		bool IsState() const
		{
			return dynamic_cast<T*>(this) != NULL;
		}

		StateMachine* GetParent() const
		{
			return mParent;
		}

	protected:
		StateMachine* mParent;
	};
}

#endif